The Motorola MBP10 digital baby monitor provides crystal clear sound to monitor your baby anywhere in the home. The monitor has a range of 300 meters and an out of range indicator. The volume control is adjustable. The monitor has sound-activated lights meaning you will see a visible flashing light when sound is detected. The monitor also has a high sensitivity feature meaning you can hear every move and sound from your little one. A practical belt clip for the rechargeable parent unit makes monitoring easy when moving around the house. The Motorola MBP10 digital baby monitor is powered by rechargeable 2 x AAA batteries (included).